import java.util.Scanner;

public class Mian{
    
    public static void main (String[] args){

        //从键盘里面接受两个数字，输出他们的四则运算
        Scanner scanner = new Scanner(System.in);
        int one =scanner.nextInt() ;
        int two =scanner.nextInt();
        //计算四则运算
        System.out.println("加法运算:" + (one + two));
        System.out.println("减法运算:" + (one - two));
        System.out.println("乘法运算:" + (one * two));
        System.out.println("除法运算:" + (double)(one / two));
    }
}


